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DE60041212D1 - Textured cellulose and lignocellulose materials and compositions and composites made therefrom - Google Patents

Textured cellulose and lignocellulose materials and compositions and composites made therefrom

Info

Publication number
DE60041212D1
DE60041212D1 DE60041212T DE60041212T DE60041212D1 DE 60041212 D1 DE60041212 D1 DE 60041212D1 DE 60041212 T DE60041212 T DE 60041212T DE 60041212 T DE60041212 T DE 60041212T DE 60041212 D1 DE60041212 D1 DE 60041212D1
Authority
DE
Germany
Prior art keywords
compositions
made therefrom
composites made
lignocellulose materials
textured cellulose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60041212T
Other languages
German (de)
Inventor
Marshall Medoff
Arthur Lagace
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xyleco Inc
Original Assignee
Xyleco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/337,580 external-priority patent/US6207729B1/en
Application filed by Xyleco Inc filed Critical Xyleco Inc
Application granted granted Critical
Publication of DE60041212D1 publication Critical patent/DE60041212D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
    • A23L33/24—Cellulose or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2311/00—Use of natural products or their composites, not provided for in groups B29K2201/00 - B29K2309/00, as reinforcement
    • B29K2311/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pest Control & Pesticides (AREA)
  • Mycology (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Reinforced Plastic Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

Texturized cellulosic or lignocellulosic materials (e.g., texturized polycoated paper), and compositions and composites made therefrom, are disclosed.
DE60041212T 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therefrom Expired - Lifetime DE60041212D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33820999A 1999-06-22 1999-06-22
US09/337,580 US6207729B1 (en) 1997-10-31 1999-06-22 Texturized cellulosic and lignocellulosic materials and compositions and composites made therefrom

Publications (1)

Publication Number Publication Date
DE60041212D1 true DE60041212D1 (en) 2009-02-05

Family

ID=26990769

Family Applications (5)

Application Number Title Priority Date Filing Date
DE2000636427 Expired - Lifetime DE60036427T2 (en) 1999-06-22 2000-06-22 Textured materials of cellulose and lignocellulose and compositions and composites made therewith
DE60043794T Expired - Lifetime DE60043794D1 (en) 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therewith
DE60041212T Expired - Lifetime DE60041212D1 (en) 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therefrom
DE60040499T Expired - Lifetime DE60040499D1 (en) 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therewith
DE60032241T Expired - Fee Related DE60032241T2 (en) 1999-06-22 2000-06-22 TEXTURED MATERIALS FROM CELLULOSE AND LIGNOCELLULOSE AND COMPOSITIONS AND COMPOSITES MANUFACTURED THEREWITH

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE2000636427 Expired - Lifetime DE60036427T2 (en) 1999-06-22 2000-06-22 Textured materials of cellulose and lignocellulose and compositions and composites made therewith
DE60043794T Expired - Lifetime DE60043794D1 (en) 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therewith

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE60040499T Expired - Lifetime DE60040499D1 (en) 1999-06-22 2000-06-22 Textured cellulose and lignocellulose materials and compositions and composites made therewith
DE60032241T Expired - Fee Related DE60032241T2 (en) 1999-06-22 2000-06-22 TEXTURED MATERIALS FROM CELLULOSE AND LIGNOCELLULOSE AND COMPOSITIONS AND COMPOSITES MANUFACTURED THEREWITH

Country Status (14)

Country Link
EP (5) EP1207740B1 (en)
CN (5) CN1904204B (en)
AT (5) ATE347262T1 (en)
AU (1) AU763876B2 (en)
BR (1) BR0011952A (en)
DE (5) DE60036427T2 (en)
DK (4) DK1779725T3 (en)
ES (5) ES2318659T3 (en)
PT (4) PT1849359E (en)
RU (1) RU2002101320A (en)
SI (1) SI1779725T1 (en)
TW (1) TW513280B (en)
WO (1) WO2000078127A1 (en)
ZA (1) ZA200200476B (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030187102A1 (en) * 1997-09-02 2003-10-02 Marshall Medoff Compositions and composites of cellulosic and lignocellulosic materials and resins, and methods of making the same
GB0201403D0 (en) * 2002-01-23 2002-03-13 Jones Adrianne J Improvements in and relating to tree and shrub protection
SG149671A1 (en) * 2004-06-11 2009-02-27 Gpac Technology S Pte Ltd Pallet and method for manufacturing the same
CN100365068C (en) * 2004-10-25 2008-01-30 罗学刚 Environment friendly lignin resin of high water absorbence and its preparation method
CN100413926C (en) * 2004-10-25 2008-08-27 罗学刚 Environment friendly lignin foaming material and its contour machining process
CN1325555C (en) * 2005-03-23 2007-07-11 华南理工大学 Method for preparing nano composite material of macromolecule latex/fiber of waste paper/montorillonite clay
AU2013203472B2 (en) * 2005-03-24 2015-07-30 Xyleco, Inc. Fibrous materials and composites
SI2564932T1 (en) * 2005-03-24 2016-09-30 Xyleco, Inc. Method of reducing biological overgrowth or rot or decay in a composite
US7811613B2 (en) 2005-06-23 2010-10-12 The Procter & Gamble Company Individualized trichomes and products employing same
DE102005048976A1 (en) * 2005-10-13 2007-04-19 Manfred Messing Electrically conductive plastic molded part made of recycled reject material
CN105076131B (en) * 2007-06-29 2017-11-14 韦斯特高有限公司 Coextrusion monofilament of desinsection and application thereof and production method and the method for control insecticide movement thereon
US20090054858A1 (en) * 2007-08-21 2009-02-26 Wendy Da Wei Cheng Layered sanitary tissue product having trichomes
AU2008357242B2 (en) * 2008-07-21 2012-02-23 Teck Tin Wong Methods of manufacturing formaldehyde-free molded products and related parts
US8715550B2 (en) 2008-07-21 2014-05-06 Teck Tin Wong Methods of manufacturing formaldehyde-free molded products and related parts
CA2787186C (en) 2010-01-14 2014-10-14 The Procter & Gamble Company Soft and strong fibrous structures and methods for making same
DE102010017773A1 (en) * 2010-07-06 2012-01-12 Wilhelm Mende Gmbh & Co. Kg Protection device for plants, is made of lignocellulose chip- or fiber material and is manufactured as sectionally divisible plates
CN101987655B (en) * 2010-11-01 2013-04-03 宁波维卡木业科技有限公司 Life buoy and preparation method thereof
RU2470058C2 (en) * 2011-03-21 2012-12-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Method of producing flexible heat-retaining material
US8835539B2 (en) * 2011-06-22 2014-09-16 Kankyokeieisogokenkyusho Co., Inc. Manufacturing method for resin composition containing fine paper powder
CN103483109B (en) * 2013-09-03 2015-01-07 广西大学 A kind of preparation method of slow-release fertilizer shell
CN103804939B (en) * 2014-02-14 2016-06-15 唐山市唯森新材料有限公司 Novel ecological wood and preparation method thereof
CN104137749A (en) * 2014-07-17 2014-11-12 常熟璟杰无纺制品有限公司 Laminating non-woven fabric
JP6452892B2 (en) 2016-12-05 2019-01-16 古河電気工業株式会社 Cellulose / aluminum-dispersed polyethylene resin composite, pellets and molded body using the same, and methods for producing the same
WO2018105173A1 (en) * 2016-12-05 2018-06-14 古河電気工業株式会社 Polyethylene resin composite material with dispersed cellulose/aluminum, pellets and moldings using same, and production methods therefor
CN106810846A (en) * 2017-02-27 2017-06-09 广西青龙化学建材有限公司 A kind of new organo-mineral complexing GRC components and preparation method thereof
WO2018195606A1 (en) * 2017-04-27 2018-11-01 Newsouth Innovations Pty Ltd Manufacturing method and products
JP7157745B2 (en) 2017-08-23 2022-10-20 古河電気工業株式会社 Cellulose fiber-dispersed polyolefin resin composite material, pellets and moldings using the same, and method for producing cellulose fiber-dispersed polyolefin resin composite material
EP3674048A4 (en) 2017-08-23 2021-03-31 Furukawa Electric Co., Ltd. Cellulose fiber dispersion polyethylene resin composite, molded body and pellets using same, manufacturing method for these, and recycling method for polyethylene thin film fragments with adhered cellulose fibers
KR20200043992A (en) 2017-08-23 2020-04-28 후루카와 덴키 고교 가부시키가이샤 Cellulose fiber-dispersed polyethylene resin composites, molded products and pellets using the same, methods for manufacturing them, and recycling method of polyethylene thin film pieces with cellulose fibers
KR20200042477A (en) 2017-08-23 2020-04-23 후루카와 덴키 고교 가부시키가이샤 Cellulose fiber dispersion polyolefin resin composite
DE102020109614A1 (en) 2020-04-07 2021-10-07 Hugo Frosch Hot water bottle and cover of a hot water bottle
CN113136643B (en) * 2021-01-28 2022-12-16 常州亿达化纤有限公司 High-corrosion-resistance chemical fiber wire and processing equipment thereof
DE102021106195A1 (en) 2021-03-15 2022-09-15 Reimund Dann Plastic railway sleeper
CN114041395A (en) * 2021-10-25 2022-02-15 江苏恒富新材料科技有限公司 Process for recycling wood pulp sponge waste
US20250001750A1 (en) * 2023-06-30 2025-01-02 Continuus Materials Intellectual Property, Llc Pvc infused composite products
IT202300014418A1 (en) * 2023-07-10 2025-01-10 Adezan Ind De Embalagens E Servicos Ltda COMPOSITION FOR OBTAINING PALLETS

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697364A (en) * 1970-04-16 1972-10-10 Monsanto Co Discontinuous cellulose reinforced elastomer
US3709845A (en) * 1971-07-06 1973-01-09 Monsanto Co Mixed discontinuous fiber reinforced composites
US4244847A (en) * 1978-08-10 1981-01-13 The Gates Rubber Company Fibrated admix or polymer and process therefore
JPS60168611A (en) * 1984-02-13 1985-09-02 Ikeda Bussan Co Ltd Manufacture of composition of composite material making use of scrap material consisting of binding material and card board base material
JP2542807B2 (en) * 1985-05-29 1996-10-09 出光興産 株式会社 Electrical insulating oil
JPH0772237B2 (en) * 1986-07-25 1995-08-02 東燃化学株式会社 Polyolefin composition
JPS6333441A (en) * 1986-07-25 1988-02-13 Nippon Denso Co Ltd Polyolefin composition
JPS6333448A (en) * 1986-07-25 1988-02-13 Nippon Denso Co Ltd Polyolefin composition
US4791020A (en) * 1987-02-02 1988-12-13 Novacor Chemicals Ltd. Bonded composites of cellulose fibers polyethylene
DE4042222A1 (en) * 1990-12-29 1992-07-02 Pwa Industriepapier Gmbh METHOD FOR REPROCESSING THERMOPLAST COATED PACKAGING MATERIALS AND THERMOPLASTIC MATERIAL FOR FURTHER PROCESSING
JPH06303440A (en) * 1993-04-14 1994-10-28 Panpukin House:Kk Copying machine with cryptographic function
SG48856A1 (en) * 1993-07-28 1998-05-18 Biotec Biolog Naturverpack Reinforced biologically degradable polymer
DE4331747A1 (en) * 1993-09-20 1995-03-23 Wuenning Paul Extruded, fiber-reinforced natural material granulate for thermoplastic processing, and process for its production
US5516472A (en) * 1993-11-12 1996-05-14 Strandex Corporation Extruded synthetic wood composition and method for making same
DE19530270A1 (en) * 1995-08-17 1997-02-20 Meeth Ernst Josef Process for the production of profile material for window and door production
US5973035A (en) * 1997-10-31 1999-10-26 Xyleco, Inc. Cellulosic fiber composites
DE29920772U1 (en) * 1998-11-12 2000-03-02 FLZ Faser Logistik Zentrum Schwarza GmbH, 07407 Rudolstadt Granules and device for their production

Also Published As

Publication number Publication date
DK1849359T3 (en) 2009-04-14
DE60036427T2 (en) 2008-06-12
CN1300232C (en) 2007-02-14
AU5633000A (en) 2001-01-09
DE60036427D1 (en) 2007-10-25
PT1779725E (en) 2008-10-21
WO2000078127A1 (en) 2000-12-28
EP2025227B1 (en) 2010-01-27
EP1779725A1 (en) 2007-05-02
EP1207740A4 (en) 2003-02-26
ES2281348T3 (en) 2007-10-01
RU2002101320A (en) 2003-08-27
ES2320260T3 (en) 2009-05-20
CN1196741C (en) 2005-04-13
ZA200200476B (en) 2003-06-25
DK1762145T3 (en) 2008-01-07
SI1779725T1 (en) 2009-04-30
DK2025227T3 (en) 2010-05-25
CN1904204A (en) 2007-01-31
EP1779725B1 (en) 2008-10-08
CN1356867A (en) 2002-07-03
PT2025227E (en) 2010-04-01
ATE408330T1 (en) 2007-09-15
DE60040499D1 (en) 2008-11-20
DE60032241T2 (en) 2007-06-28
ATE456300T1 (en) 2010-02-15
DK1779725T3 (en) 2008-12-01
EP1849359B1 (en) 2008-12-24
EP1762145A1 (en) 2007-03-14
CN1637208A (en) 2005-07-13
CN1928223A (en) 2007-03-14
PT1762145E (en) 2007-10-23
AU763876B2 (en) 2003-07-31
EP1207740A1 (en) 2002-05-29
ATE418265T1 (en) 2009-01-15
ATE410058T1 (en) 2008-10-15
EP1849359A1 (en) 2007-10-31
EP1762145B1 (en) 2007-09-12
PT1849359E (en) 2009-03-12
EP2025227A1 (en) 2009-02-18
DE60043794D1 (en) 2010-03-18
CN1904204B (en) 2013-07-24
ES2294759T3 (en) 2008-04-01
CN1928224A (en) 2007-03-14
ES2318659T3 (en) 2009-05-01
DE60032241D1 (en) 2007-01-18
BR0011952A (en) 2002-03-12
ES2356331T3 (en) 2011-04-07
ATE347262T1 (en) 2006-12-15
EP1207740B1 (en) 2006-12-06
TW513280B (en) 2002-12-11

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